linux/include/uapi/linux/fd.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_LINUX_FD_H
#define _UAPI_LINUX_FD_H

#include <linux/ioctl.h>
#include <linux/compiler.h>

/* New file layout: Now the ioctl definitions immediately follow the
 * definitions of the structures that they use */

/*
 * Geometry
 */
struct floppy_struct { … };


/* commands needing write access have 0x40 set */
/* commands needing super user access have 0x80 set */

#define FDCLRPRM …
/* clear user-defined parameters */

#define FDSETPRM …
#define FDSETMEDIAPRM …
/* set user-defined parameters for current media */

#define FDDEFPRM …
#define FDGETPRM …
#define FDDEFMEDIAPRM …
#define FDGETMEDIAPRM …
/* set/get disk parameters */


#define FDMSGON …
#define FDMSGOFF …
/* issue/don't issue kernel messages on media type change */


/*
 * Formatting (obsolete)
 */
#define FD_FILL_BYTE …

struct format_descr { … };

#define FDFMTBEG …
/* begin formatting a disk */
#define FDFMTTRK …
/* format the specified track */
#define FDFMTEND …
/* end formatting a disk */


/*
 * Error thresholds
 */
struct floppy_max_errors { … };

#define FDSETEMSGTRESH …
/* set fdc error reporting threshold */

#define FDFLUSH …
/* flush buffers for media; either for verifying media, or for
 * handling a media change without closing the file descriptor */

#define FDSETMAXERRS …
#define FDGETMAXERRS …
/* set/get abortion and read_track threshold. See also floppy_drive_params
 * structure */


floppy_drive_name;
#define FDGETDRVTYP …
/* get drive type: 5 1/4 or 3 1/2 */


/*
 * Drive parameters (user modifiable)
 */
struct floppy_drive_params { … };

enum { … };

#define FDSETDRVPRM …
#define FDGETDRVPRM …
/* set/get drive parameters */


/*
 * Current drive state (not directly modifiable by user, readonly)
 */
struct floppy_drive_struct { … };

#define FDGETDRVSTAT …
#define FDPOLLDRVSTAT …
/* get drive state: GET returns the cached state, POLL polls for new state */


/*
 * reset FDC
 */
enum reset_mode { … };
#define FDRESET …


/*
 * FDC state
 */
struct floppy_fdc_state { … };

#define FDGETFDCSTAT …


/*
 * Asynchronous Write error tracking
 */
struct floppy_write_errors { … };

#define FDWERRORCLR …
/* clear write error and badness information */
#define FDWERRORGET …
/* get write error and badness information */


/*
 * Raw commands
 */
/* new interface flag: now we can do them in batches */
#define FDHAVEBATCHEDRAWCMD

struct floppy_raw_cmd { … };

#define FDRAWCMD …
/* send a raw command to the fdc. Structure size not included, because of
 * batches */

#define FDTWADDLE …
/* flicker motor-on bit before reading a sector. Experimental */


#define FDEJECT …
/* eject the disk */



#endif /* _UAPI_LINUX_FD_H */